Select all correct statements of the one predictor simple linear regression model introduced in this course. Select one or more: Select one or more: ( a. The model can be stated as Y, = Bo + BiXi + er O b. ; are independent NV (0, o?). c. The model can be stated as E(Y ) = Bo + BiXi +ex d. Covariance between 6, and 67 is zero but Y, and }y have non-zero covariance